Lead acid is still the go to for combustion vehicles and low
temperatures without grid to heat. That might change but for now they
is still plenty of market. That said, when the vendors for LFP decide
to change the BMSs to do what is needed and the lower temp chemistries
are worked out, yes, lead acid will go away. If lithium Titanate
becomes economical that will destroy lead acid...
On 9/5/23 7:52 AM, Chuck McCown via AF wrote:
I have had little lithium experience to date but I think the answer to
all of your questions is YES.
The solar guys have been quoting deals like this: 305ah 3.2 Grade B
cell ($89) x 32 = $2,848 for 31kwh, 610ah, 51.2v 16s2p configuration
for a 48v system
That is 9 cents per watt hour. Half the cost of lead acid, will do
many more cycles. Much lighter. Much smaller. I think that you
should sell your stock in the lead acid battery factories.
Best Regards,
Chuck McCown
McCown Technology Corporation
8401 N Commerce Dr
Lake Point, Utah 84074
801-250-9503 Office
435-830-4306 Cell
www.mccowntech.com
www.microtrench.pro
www.terabitnetworks.com
*From:* Brough Turner - netBlazr
*Sent:* Tuesday, September 5, 2023 5:38 AM
*To:* Chuck McCown via AF
*Cc:* Brough Turner
*Subject:* [AFMUG] 120v UPS with Li-ion or LiPoFe batteries - some
questions
I understand LiPoFe is preferable to Li-ion (longer life, less chance
of fire). Is this correct?
Can the BMS compensate for a for lead-acid UPS's charging profile?
Is there a battery with a BMS that can be monitored via a network
connection.
Any recommendations for where to buy batteries in pallet-level quantities?
Thanks,
Brough
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